Case studies
From Google to the fastest-growing AI startups, the world's leading companies trust Superhuman AI to reach the executives who matter.
Google renewed four times. Guidde surpassed B2B CPA benchmarks and kept coming back. Spinach AI made Superhuman AI their highest-performing acquisition channel. Over 100 companies have trusted us to drive registrations, signups, leads, and revenue. The case studies below show exactly how.
Top-tier marketers advertise in Superhuman AI
460+ registrations · renewed 4x
6.6x ROI in pipeline

$3.9M tracked sales


15,000+ clicks


460+ registrations · renewed 4x
6.6x ROI in pipeline

$3.9M tracked sales


15,000+ clicks



tracked sale value
Wispr Flow tracks ~$3.9M in sales from its largest newsletter channel

renewals
Google drives 460+ registrations and renews four times

ROI in qualified pipeline
Glean averages ~200 leads per placement at a 6.6x ROI

clicks
YC startup Artisan unlocks 15,000+ clicks and 1.6M impressions

beats B2B CPA benchmarks
Guidde surpasses B2B CPA benchmarks and renews 4x+

clicks
Spinach AI makes Superhuman its highest-performing acquisition channel

performing newsletter
Superhuman AI becomes Gamma's best-performing newsletter for decision-makers

clicks on one Primary Ad
Taplio sees 4,000+ clicks from a single Primary Ad

impressions
Masterworks earns hundreds of signups — and investments — from readers

clicks to AI21's developer blog
AI21 drives 1,780+ clicks to its developer blog

clicks from mobile engineers
bitdrift drives 1,500+ clicks from mobile engineers

ROI from a pilot campaign
Comp AI reached CISOs and drove a 5x ROI
More sponsor love
In their words
"800+ beta testers signed up in a day — say no more. Our conversion rate is 45–55%."
"~300% direct return on ad spend — and 4x the traffic of another similarly sized AI newsletter, with much higher intent."
"Over 100 new sign-ups and 1,000+ unique users and website visits."
"One of the most successful newsletter placements we've done to date."
"Total game changer! More buzz, more inquiries, more sales."
"Readers from Superhuman are the best early adopters and best ROI across all newsletters."
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